The trio sparred over what should happen to a proposed casino in Springfield if voters repeal the casino law this November and other campaign issues during the televised exchange at WBZ-TV on Keller @ Large.

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Jon Keller is WBZ-TV News' Political Analyst, and his "Keller At Large" reports on a wide range of topics are regularly featured during WBZ-TV News at 6PM and 11PM. Keller also broadcasts morning dri...